Home / 319,602.54-440,917.38-224,171.58

Finding the Fourth Proportional to 319,602.54, 440,917.38 and 224,171.58

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Solution

The fourth proportional to 319,602.54, 440,917.38 and 224,171.58 is: 309,262.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,602.54 : 440,917.38 = 224,171.58 : x
  2. Step 2: Convert to fraction form
    319,602.54/440,917.38 = 224,171.58/x
  3. Step 3: Cross multiply
    319,602.54x = 440,917.38 × 224,171.58
  4. Step 4: Simplify right side
    319,602.54x = 98,841,145,724.06
  5. Step 5: Solve for x
    x = 98,841,145,724.06/319,602.54
  6. Step 6: Final answer
    x = 309,262.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.